python提取文件中的方法名称

#提取文件中的方法名称
 
# -*- coding：utf-8 -*-
 
def Query_Method(filepath):
 
    file = open(filepath,'r',encoding= 'UTF-8').readlines()
    print ('\n\n')
    str = ""
    for i in file:
        if i.startswith('def') or i.startswith('    def'):
            str += i[8:-4]
            # print(str)
            str += ","
    # print(str)
    return str
 
if __name__ == '__main__':
    Query_Method("..\\data\\test_InitializationData.py")